To calculate in BTU’s use this calculator
| Length: | metres |
| Height: | metres |
| Width: | metres |
| Result: | |
*** Please note the calculation returned should be taken as a guide only.
For a detailed heat loss calculation please consult a qualified heating engineer.
To calculate in kW’s use this calculator
| Length: | metres |
| Height: | metres |
| Width: | metres |
| Result: | kW *** |